A : do you need the lights ?

B : no.why are you asking?

A : why do you turn it on ?? you're not even using it

B : so what?

A : you're wasting a lot of energy

B : ............ well..........

A : if you don't need the light then turn it off

B : OK.I remember that

xin ctlhn 5* tim cho nhóm

We can save energy by doing the following. First, we need to turn off the TV when we don't watch anymore, turn off all the electricity before going to bed. Second, we should conserve water by taking a shower instead of taking a bath or turning off the tap when we're not in use. Third, we can use public transport or bicycles and avoid using cars and motorbikes for short distances. In short, because our energy is finite, we need to conserve it for future generations.